<template>
    <div class="login_contaner">
        <div class="login_box">
          <!-- 头像区域 -->
          <div class="avatar_box">
            <img src="../assets/logo.png" alt="">
          </div>
          <!-- 登录表单区域 -->
          <el-form ref="loginformRef" :model="loginForm" :rules="loginformRules" class="login_form">
            <!-- 用户名 -->
            <el-form-item prop="username">
              <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
            </el-form-item>
            <!-- 密码 -->
              <el-form-item prop="password">
              <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima"></el-input>
            </el-form-item>
              <!-- 按钮 -->
              <el-form-item class='btns'>
                  <el-button type="primary" @click="login">登录</el-button>
                  <el-button type="info" @click="resetloginform">重置</el-button>
            </el-form-item>
          </el-form>
        </div>
    </div>
</template>

<script>
export default ({
  data () {
   return {
    loginForm: {
       username: 'admin',
       password: '123456'
    },
    loginformRules: {
      username: [
        { required: true, message: '请输入登录名称', trigger: 'blur' },
        { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }],
      password: [
        { required: true, message: '请输入密码', trigger: 'blur' },
        { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
      ]
    }
  }
 },
 methods: {
   resetloginform () {
    //  console.log(this)
    this.$refs.loginformRef.resetFields()
   },
   login () {
    this.$refs.loginformRef.validate(async valid => {
      // console.log(valid)
      if (!valid) return
      const { data: res } = await this.$http.post('login', this.loginForm)
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('登录失败')
      this.$message.success('登录成功')
      // console.log(res)
      window.sessionStorage.setItem('token', res.data.token)
      this.$router.push('home')
     })
   }
 }
})
</script>

<style lang='less' scoped>
.login_contaner {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);

  .avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #ccc;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
   }
  }
}
 .login_form {
   position: absolute;
   bottom: 0;
   width: 100%;
   padding: 20px;
   box-sizing: border-box;
 }
 .btns {
   display: flex;
   justify-content: flex-end;
 }
</style>
